The Surface of Ganymede, a Galilean Satellite of Jupiter, Is

Multiple Choice

The surface of Ganymede, a Galilean satellite of Jupiter, is characterized by

A) bright, eroded, ancient terrain broken by darker, younger areas that show signs of tectonic activity in the past, such as water or slush volcanoes and faulting along subduction zones.
B) dark areas of ancient terrain and bright areas with almost no craters and many signs of recent tectonic activity, such as fracturing, ice raft creation, and eruptions of icy lava.
C) dark areas of ancient terrain and bright, younger areas with many-folded ridges that indicate tectonic activity on Ganymede in the distant past.
D) multicolored deposits of sulfur and sulfur compounds, with several lava lakes and active volcanic plumes.